sorry - that was test code to see that the uncompressed files were the same size as what I was seeng. I have tried complevel 1-5, and get the same result.
L On Jun 24, 2011, at 7:45 AM, Francesc Alted wrote: > 2011/6/24 Dr. Louis Wicker <louis.wic...@noaa.gov> > All > > Perhaps I am just missing the obvious, but I have some code that is > converting netCDF4 files to pyTables Carray with blosc compression (playing > around). > > I loop over the files in a directory, and I have found that the first file is > written compressed, but the second file onward is NOT. I have checked the > filter settings after each file write, and > they are the same. Any ideas here? If I turn off compression, the file > sizes match..... > > Code below.... > > Lou > > array_atom = tables.Float32Atom() > filters = tables.Filters(complevel=0, complib='blosc') > <clip> > > Any reason why you are specifying 'complevel=0'? 0 means 'not compression'. > Try with levels from 1 to 9. > > -- > Francesc Alted > ------------------------------------------------------------------------------ > All the data continuously generated in your IT infrastructure contains a > definitive record of customers, application performance, security > threats, fraudulent activity and more. Splunk takes this data and makes > sense of it. Business sense. IT sense. Common sense.. > http://p.sf.net/sfu/splunk-d2d-c1_______________________________________________ > Pytables-users mailing list > Pytables-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/pytables-users ---------------------------------------------------------------------------- | Dr. Louis J. Wicker | NSSL/FRDD Rm 4368 | National Weather Center | 120 David L. Boren Boulevard, Norman, OK 73072 | | E-mail: louis.wic...@noaa.gov | HTTP: www.nssl.noaa.gov/~lwicker | Phone: (405) 325-6340 | Fax: (405) 325-6780 | | If you start a day without a clear plan about how you’re | going to spend your attention, you’ll end up wasting most | of it.—Martha Beck (2002) | | Assemby of Japanese bicycle requires great peace of mind. | Robert Pirsig, ZAMM | ---------------------------------------------------------------------------- | | "The contents of this message are mine personally and | do not reflect any position of the Government or NOAA." | ---------------------------------------------------------------------------- ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense.. http://p.sf.net/sfu/splunk-d2d-c1 _______________________________________________ Pytables-users mailing list Pytables-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pytables-users
